Schwarzkopf Osis+ Freeze Strong Hold Hairspray #2 Medium Control OSiS+ Freeze Strong Hold Hairspray gives your style a lasting fix. Fast drying, Freeze offers instant strong hold with long lasting control as it protects from external influences. Easy to brush out, OSiS+ Freeze Strong Hold Hairspray boasts a protective formula which shields against UV rays, with an anti-frizz film forming resin that buffers and protects your style against humidity.